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Section 2 - Rumble Hog Systems
The scissor lift and debris tank are heavy and
the truck could become unstable if lifted when
the truck is not level or other precautions are not
taken prior to lifting the tank. Operators should be
aware of this and always follow proper procedures
when lifting and dumping the debris tank.
DANGER
LIFTING THE DEBRIS TANK WHEN THE CHASSIS IS NOT
LEVEL WITH THE KICKSTAND DOWN CAN CAUSE THE
MACHINE TO BECOME UNSTABLE AND TIP OVER. THIS
WILL CAUSE SEVERE INJURY OR DEATH TO PERSONNEL
AND DAMAGE THE MACHINE. ALWAYS MAKE SURE THE
MACHINE IS LEVEL AND SECURED WITH THE KICKSTAND
BEFORE RAISING THE DEBRIS TANK.
The lift operates in an extremely dirty environ-
ment. Consequently, it is important to lubricate
all hinge points, rollers and other components at
least weekly. If the optional auto lube system is
installed, some lubrication points will be greased
automatically. Refer to the Lubrication And Main-
tenance chapter in this manual for additional in-
formation on lubrication, the optional automatic
lubrication system and proper maintenance pro-
cedures for lift components.
Lift Linkage and Cylinders
The lift is raised by three hydraulic cylinders and a
scissor linkage. Rollers in tracks at the tank and on
the chassis allow each end of the linkage to slide
as the lift raises, maintaining stability. In-line flow
limiters, called velocity fuses, restrict the flow of
fluid through the cylinders to control lift speed as
the platform is raised or lowered.
The scissor linkage design provides excellent
stability for the platform as it is raised. However,
there are hazards related to this type of linkage
that operators and all other personnel should be
aware of. Raising and lowering the platform is
particularly dangerous because “pinch points” are
formed by the linkage as the platform moves up
or down. Operators must be aware of the hazard
and make sure all personnel are well clear of the
linkage and platform. Keep hands, feet, hair, jew-
elry, loose clothing, etc. away from these pinch
points as the lift moves up or down. If any of these
items become caught, serious personal injury or
death could occur.
Debris Tank Lift Cylinders & Scissor Linkage
All operators should be trained in the safe opera-
tion of the lift and instructed in the related hazards
prior to operation. Refer to the Safety Informa-
tion chapter for a list of precautions that must be
observed while using the lift and the Operation
chapter for instructions on the proper operation
of the lift platform.
DANGER
PINCH POINTS FORMED AS THE PLATFORM MOVES UP
OR DOWN CAN CAUSE SERIOUS INJURY OR DEATH TO
PERSONAL IF HANDS, FEET, HAIR, LOOSE CLOTHING,
JEWELRY, ETC BECOME CAUGHT. PERSONNEL CAN ALSO
BE SEVERELY INJURED BY THE PLATFORM IF IT HITS THEM
AS IT LOWERS. ALWAYS MAKE SURE ALL PERSONNEL
ARE CLEAR OF THE PLATFORM AND LINKAGE BEFORE
LOWERING OR RAISING THE PLATFORM.
NOTICE:
THE DOOR AND CHUTE SEALS MUST BE DEFLATED BEFORE
THE TANK HYDRAULIC LIFT AND DUMP SYSTEMS WILL
ACTIVATE.
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